Changed from Windows Forms cursor to WPF cursor API
Made RenameDialog slightly taller

Address Windows 7 display issues
Added Status to FindReferencesFilter

Handled via Unified API with ProgressManager.  RenameFilter also now
reports to statusbar as well as dialog.
Addressing minor code issues in Status
Changed GetService call format
Updated RenameDialog

Removed extra status bar notification.
Hide input on Initializing to remove "it looks like error" issues.
Merge pull request #517 from ReedCopsey/find_ref_progress

Adds progress to find all references